CN216758227U

CN216758227U - Chamfering device for flange inner hole of semi-floating half shaft

Info

Publication number: CN216758227U
Application number: CN202123002652.3U
Authority: CN
Inventors: 杨光; 关星月; 黄成海; 姜成有
Original assignee: Liaoning Tongda Axles Co ltd
Current assignee: Liaoning Tongda Axles Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-06-17
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a chamfering device for an inner hole of a flange plate of a semi-floating half shaft, which comprises a base, wherein the upper end of the base is provided with an upright post, a limiting plate is sleeved on the upright post, a limiting bolt is spirally penetrated at the right end of the limiting plate, and a cross arm is movably arranged on the upright post; the device has the advantages of reasonable structure and novel design, the drill bit is fixed, the workpiece is enabled to move up and down, the rotation precision of the drill bit is improved, the jumping amplitude of the drill bit is reduced, the quality of the workpiece is improved, the position of the limiting bolt can be adjusted according to the required chamfering depth, and the chamfering depth is enabled to be more accurate.

Description

Chamfering device for flange inner hole of semi-floating half shaft

Technical Field

The utility model relates to the technical field of half shaft machining, in particular to a chamfering device for an inner hole of a flange plate of a half floating half shaft.

Background

At present, in a mode of chamfering the inner end of a half shaft flange hole, because the distance between the half shaft flange hole and a half shaft rod is small, the rod part of the half shaft rod is physically interfered with the outer side of a main shaft of a bench drill, and the chamfering cannot be directly performed by the bench drill. Although the structure realizes chamfering of the inner end of the hole of the semi-axle flange plate, the rotary precision of the drill bit is low, the drill bit obviously shakes during rotation, the hole chamfering surface is not smooth and ridged during chamfering, and customers are dissatisfied.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the chamfering device for the flange inner hole of the semi-floating half shaft comprises a base, wherein an upright post is installed at the upper end of the base, a limiting plate is sleeved on the upright post, a limiting bolt penetrates through the right end of the limiting plate in a spiral manner, and a cross arm is movably arranged on the upright post;

the improved drilling machine is characterized in that a groove is formed in the cross arm, the top end of the stand column enters the groove, first gears are symmetrically arranged in the groove in a left-right mode, the lower end of each first gear is provided with a speed reducing motor, the speed reducing motor is mounted on the lower wall surface of the cross arm and is a pair of a toothed chain and a right side are meshed and sleeved between the first gears together, a rotating shaft penetrates through the first gears fixedly, the lower end of the rotating shaft is connected with the cross arm in a rotating mode, a second gear is mounted on the rotating shaft in a fixed mode, a third gear is meshed and connected to the right side of the second gear, a connecting shaft is mounted on the lower surface of the third gear in a fixed mode, the connecting shaft extends downwards to penetrate through the cross arm, and a drill bit is mounted at the bottom end of the connecting shaft.

Preferably, the right side of the upper wall surface of the base is provided with a working table plate, the upper wall surface of the working table plate is provided with a hydraulic chuck, the lower end of the working table plate is provided with a rack, the right end of the rack is connected with a gear shaft in a meshed mode, the gear shaft is rotatably installed in the base, and a working handle is installed on the gear shaft.

Preferably, a screw rod penetrates through the cross arm in a spiral mode, a bearing is sleeved at the upper end of the screw rod, a fixing plate is installed on the right side of the bearing, and the fixing plate is installed on the upper wall face of the stand column.

Preferably, the right side wall surface of the base is provided with a through groove, and the working handle penetrates out of the through groove.

Preferably, a locking groove is formed in the front side wall surface of the cross arm, and a locking block is arranged in the locking groove.

The utility model has the following beneficial effects: the device has the advantages of reasonable structure and novel design, the drill bit of the device is not moved, the workpiece is moved up and down, the rotation precision of the drill bit is improved, the jumping amplitude of the drill bit is reduced, the quality of the workpiece is improved, the position of the limiting bolt can be adjusted according to the required chamfering depth, and the chamfering depth is more accurate.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of the locking block of the present invention.

In the figure: 1-base, 2-upright post, 3-limit plate, 4-limit bolt, 5-cross arm, 6-groove, 7-first gear, 8-speed reducing motor, 9-toothed chain, 10-rotating shaft, 11-second gear, 12-third gear, 13-connecting shaft, 14-drill bit, 15-working table plate, 16-hydraulic chuck, 17-rack, 18-gear shaft, 19-working handle, 20-screw, 21-bearing, 22-fixing plate, 23-through groove, 24-locking groove and 25-locking block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a chamfering device for an inner hole of a flange plate of a semi-floating half shaft comprises a base 1, wherein an upright post 2 is mounted at the upper end of the base 1, a limiting plate 3 is sleeved on the upright post 2, a limiting bolt 4 is spirally penetrated at the right end of the limiting plate 3, a cross arm 5 is movably arranged on the upright post 2, and the cross arm 5 can rotate on the upright post 2 in a circumferential manner;

the upright post 2 plays a guiding role, so that the cross arm 5 can rotate by taking the upright post 2 as an axis.

The groove 6 is formed in the cross arm 5, the top end of the stand column 2 enters the groove 6, first gears 7 are symmetrically arranged in the groove 6 in the left and right direction, the lower end of each first gear 7 is provided with a speed reducing motor 8, the speed reducing motors 8 are installed on the lower wall surface of the cross arm 5, toothed chains 9 are meshed and sleeved between the first gears 7 in a pair, a rotating shaft 10 penetrates through the first gears 7 on the right side, the lower end of the rotating shaft 10 is connected with the cross arm 5 in a rotating mode, a second gear 11 is fixedly sleeved on the rotating shaft 10, the right side of the second gear 11 is connected with a third gear 12 in a meshing mode, a connecting shaft 13 is fixedly installed on the lower surface of the third gear 12, the connecting shaft 13 extends downwards to penetrate through the cross arm 5, and a drill bit 14 is installed at the bottom end of the connecting shaft 13.

The gear motor 8 is started to drive the first gear 7 on the right side to rotate, the first gear 7 on the right end is driven to rotate under the action of the toothed chain 9, so that the rotating shaft 10 rotates, meanwhile, the rotating shaft 10 rotates to enable the second gear 11 to rotate, and then the third gear 12 is driven to rotate, the connecting shaft 13 is enabled to rotate under the action of the third gear 12, and therefore the drill bit 14 rotates to chamfer the semi-axis flange.

Specifically, a work table plate 15 is arranged on the right side of the upper wall surface of the base 1, a hydraulic chuck 16 is arranged on the upper wall surface of the work table plate 15, a rack 17 is arranged at the lower end of the work table plate 15, a gear shaft 18 is meshed and connected to the right end of the rack 17, the gear shaft 18 is rotatably installed in the base 1, and a work handle 19 is installed on the gear shaft 18.

The half shaft flange is placed on the working table plate 15, the half shaft is clamped through the hydraulic chuck 16, the working handle 19 is pressed downwards, the gear shaft 18 is rotated, the rack 17 is lifted, the working table plate 15 is lifted upwards, the half shaft is driven to lift, the flange is chamfered, the lifting height of the working table plate 15 is limited by adjusting the position of the limiting bolt 4, and the chamfering depth is controlled.

Specifically, a screw 20 is spirally penetrated through the cross arm 5, a hole for the screw 20 to penetrate through is formed in the upper arm of the cross arm 5, a bearing 21 is sleeved at the upper end of the screw 20, a fixing plate 22 is installed on the right side of the bearing 21, and the fixing plate 22 is installed on the upper wall surface of the upright post 2.

The height of the cross arm 5 can be adjusted by rotating the screw 20 to rotate the screw 20 in the cross arm 5.

Specifically, a through groove 23 is formed in the right side wall surface of the base 1, and the operating handle 19 penetrates through the through groove 23.

Specifically, a locking groove 24 is formed in the front side wall surface of the cross arm 5, and a locking block 25 is arranged in the locking groove 24.

The one side of latch segment 25 is the arc structure, and the one side is planar structure, and when needs are fixed, rotates latch segment 25, makes the circular arc end laminating stand 2 of latch segment 25, fixes xarm 5, and when xarm 5 need rotate, rotates latch segment 25, makes the plane end be close to stand 2.

Example (b): when in use, the half shaft is placed on the working table plate 15, the disc hole of the flange plate is aligned to the drill bit 14, the half shaft is fixed through the hydraulic chuck 16, the height of the limit bolt 4 is adjusted according to the chamfering depth required, the speed reducing motor 8 is started, the drill bit 14 works under the action of the speed reducing motor 8, the working handle 19 is pressed, the working table plate 15 is lifted, so that the half shaft moves towards the drill bit 14, the half shaft method pull disc is chamfered through the drill bit 14, the drill bit 14 does not move up and down, the workpiece moves up and down, the rotation precision of the chamfering drill bit is improved, the jump after the drill bit is installed is ensured to be below 0.1 mm, the quality of the inner chamfer of the flange hole of the half floating half shaft is ensured, the chamfering depth is controlled, the cross arm 5 can rotate, when the disc holes at different positions of the flange plate are chamfered, the flange plate does not need to be fixed again, the adjustment range of the limit bolt 4 can be increased through the up and down movement of the cross arm 5 in cooperation with the limit bolt 4, the semi-axis that can process the distance of flange hole center to semi-axis pole portion surface more than 50 millimeters before on ordinary bench drill, the semi-axis that this patent can guarantee that the distance of flange hole center to semi-axis pole portion surface is more than 38 millimeters all can process the chamfer of flange dish downthehole terminal surface.

In the description of the present embodiment, it should be noted that unless otherwise specifically stated or limited, the terms 'mounted', 'connected', 'communicated' are to be construed broadly and can be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The chamfering device for the flange inner hole of the semi-floating half shaft is characterized by comprising a base (1), wherein an upright post (2) is mounted at the upper end of the base (1), a limiting plate (3) is sleeved on the upright post (2), a limiting bolt (4) is spirally penetrated at the right end of the limiting plate (3), and a cross arm (5) is movably arranged on the upright post (2);

the improved structure of the horizontal pole is characterized in that a groove (6) is formed in the horizontal pole (5), the top end of the upright post (2) enters the groove (6), first gears (7) are symmetrically arranged in the groove (6) in a left-right mode, a speed reduction motor (8) is arranged at the lower end of each first gear (7), the speed reduction motor (8) is arranged on the lower wall surface of the horizontal pole (5), a pair of first gears (7) are jointly meshed and sleeved with a toothed chain (9), a rotating shaft (10) is fixedly penetrated on the first gears (7) on the right side, the lower end of the rotating shaft (10) is rotatably connected with the horizontal pole (5), a second gear (11) is fixedly sleeved on the rotating shaft (10), a third gear (12) is meshed and connected to the right side of the second gear (11), a connecting shaft (13) is fixedly arranged on the lower surface of the third gear (12), and the connecting shaft (13) extends downwards and penetrates through the horizontal pole (5), and a drill bit (14) is arranged at the bottom end of the connecting shaft (13).

2. The chamfering device for the inner hole of the flange plate of the semi-floating half shaft is characterized in that a working table plate (15) is arranged on the right side of the upper wall surface of the base (1), a hydraulic chuck (16) is arranged on the upper wall surface of the working table plate (15), a rack (17) is arranged at the lower end of the working table plate (15), a gear shaft (18) is connected to the right end of the rack (17) in a meshed mode, the gear shaft (18) is rotatably installed in the base (1), and a working handle (19) is installed on the gear shaft (18).

3. The chamfering device for the flange inner hole of the semi-floating half shaft is characterized in that a screw rod (20) is spirally penetrated through the cross arm (5), a bearing (21) is sleeved at the upper end of the screw rod (20), a fixing plate (22) is installed on the right side of the bearing (21), and the fixing plate (22) is installed on the upper wall surface of the upright post (2).

4. The chamfering device for the flange inner hole of the semi-floating half shaft is characterized in that a through groove (23) is formed in the right side wall surface of the base (1), and the working handle (19) penetrates out of the through groove (23).

5. The chamfering device for the flange inner hole of the semi-floating half shaft is characterized in that a locking groove (24) is formed in the front side wall surface of the cross arm (5), and a locking block (25) is arranged in the locking groove (24).